Concatenate files that have the same .sourcePath.
Concatenate files that have the same .sourcePath.

Fixes #6422.

lorensr/meteor,Hansoft/meteor,AnthonyAstige/meteor,lorensr/meteor,mjmasn/meteor,DAB0mB/meteor,mjmasn/meteor,4commerce-technologies-AG/meteor,nuvipannu/meteor,4commerce-technologies-AG/meteor,Hansoft/meteor,mjmasn/meteor,chasertech/meteor,chasertech/meteor,Hansoft/meteor,Hansoft/meteor,nuvipannu/meteor,jdivy/meteor,jdivy/meteor,chasertech/meteor,AnthonyAstige/meteor,4commerce-technologies-AG/meteor,AnthonyAstige/meteor,4commerce-technologies-AG/meteor,DAB0mB/meteor,chasertech/meteor,nuvipannu/meteor,nuvipannu/meteor,chasertech/meteor,nuvipannu/meteor,Hansoft/meteor,4commerce-technologies-AG/meteor,Hansoft/meteor,chasertech/meteor,jdivy/meteor,DAB0mB/meteor,DAB0mB/meteor,DAB0mB/meteor,lorensr/meteor,AnthonyAstige/meteor,Hansoft/meteor,AnthonyAstige/meteor,chasertech/meteor,jdivy/meteor,lorensr/meteor,lorensr/meteor,mjmasn/meteor,mjmasn/meteor,nuvipannu/meteor,mjmasn/meteor,lorensr/meteor,lorensr/meteor,AnthonyAstige/meteor,AnthonyAstige/meteor,DAB0mB/meteor,AnthonyAstige/meteor,jdivy/meteor,mjmasn/meteor,4commerce-technologies-AG/meteor,jdivy/meteor,jdivy/meteor,DAB0mB/meteor,4commerce-technologies-AG/meteor,nuvipannu/meteor